Rename Animation -> PrimitiveAnimation

Source/core/platform/graphics/GraphicsLayerAnimation.h

Index: Source/core/platform/graphics/GraphicsLayerAnimation.h
diff --git a/Source/core/platform/graphics/GraphicsLayerAnimation.h b/Source/core/platform/graphics/GraphicsLayerAnimation.h
index ee90f4e2ef54d99d2022ef15b78a929d26ed8d1e..5fcfe60ba5d6721ef2ed2990042fae5540013dcb 100644
--- a/Source/core/platform/graphics/GraphicsLayerAnimation.h
+++ b/Source/core/platform/graphics/GraphicsLayerAnimation.h
@@ -40,7 +40,7 @@ public:
     GraphicsLayerAnimation()
         : m_keyframes(AnimatedPropertyInvalid)
     { }
-    GraphicsLayerAnimation(const String&, const KeyframeValueList&, const IntSize&, const Animation*, double, bool);
+    GraphicsLayerAnimation(const String&, const KeyframeValueList&, const IntSize&, const PrimitiveAnimation*, double, bool);
     void apply(Client*);
     void pause(double);
     void resume();
@@ -57,7 +57,7 @@ public:
     IntSize boxSize() const { return m_boxSize; }
     double startTime() const { return m_startTime; }
     double pauseTime() const { return m_pauseTime; }
-    PassRefPtr<Animation> animation() const { return m_animation.get(); }
+    PassRefPtr<PrimitiveAnimation> animation() const { return m_animation.get(); }
     const KeyframeValueList& keyframes() const { return m_keyframes; }
     bool listsMatch() const { return m_listsMatch; }
 
@@ -65,7 +65,7 @@ private:
     void applyInternal(Client*, const AnimationValue* from, const AnimationValue* to, float progress);
     KeyframeValueList m_keyframes;
     IntSize m_boxSize;
-    RefPtr<Animation> m_animation;
+    RefPtr<PrimitiveAnimation> m_animation;
     String m_name;
     bool m_listsMatch;
     double m_startTime;